At the beginning, everything looks like a normal job. But in the apartment of a cruelly murdered woman, Judith Kepler, a crime scene cleaner by trade, encounters her own past. The dead woman had done research and wanted to contact Judith. And she knew her closely guarded secret: Judith had been brought as a child under mysterious circumstances in a DDR children's home. Origin: unknown. Now, 25 years later, Judith has the evidence in her hands that she was swapped as a child. A stranger lived her life. Did this stranger also die of her - Judith's - death?
Fanny Burkhard is a woman in her prime: attractive, fit and successful at work. Together with Roland Beck, she runs a management consultancy whose specialty is threading hostile company takeovers: large corporations that want to swallow small companies find cunning helpers in the duo. But the collaboration with her ex-boyfriend Roland, who once left her for a younger woman, is noticeably troubling Fanny - she has been suffering from insomnia for three years. She urgently needs distance and a change of scenery.
In the German North Sea a new cellular life form endangers mankind.